[PATCH] D121354: [SLP] Fix lookahead operand reordering for splat loads.

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added inline comments.


================
Comment at: llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp:1121
+      if (V1 == V2) {
+        if (isa<LoadInst>(V1) && isa<LoadInst>(V2) && NumLanes == 2)
+          return VLOperands::ScoreSplatLoads;
----------------
why test both V1 and V2 if we know they are the same value?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D121354/new/

https://reviews.llvm.org/D121354